Earth Defense Force: Insect Armageddon
51 Achievements
11-13h
Regicide
Kill a Queen Ant The Queen is dead! Details for this achievement will be revealed once unlocked
36.6%
How to unlock the Regicide achievement in Earth Defense Force: Insect Armageddon - Definitive Guide
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TrueAchievements
TrueAchievements
The queen is the boss in level 3-4. Use a sniper rifle and aim for the sack on top until it turns black. You'll hear some radio chatter about the queen then aim for the sack on the end of the queen. You'll know if it is a good hit or not when the body flashes after you shoot. Unload and this achievement will be yours.
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Story Related.
This is the penultimate boss battle. It occurs in Chapter 3, Mission 4: Mushrooms. You come to battle her during the second part of this Mission. You come over into an area surrounded by a brown wall that has obviously been set up by the ants. All along this wall are ant hills and spiders nests. You'll want to start by suppressing and destroying those nests/hills because an insane amount of enemies will pour into this area if not. As far as the Queen Ant goes, you will first want to focus fire above her head as there is a spot that will glow a bright yellow/orangish color when it is hit. Once it is damaged enough it will turn black and no longer glow. After this step is finished you'll want to shoot at her sides along the rear part of her body. This area will also glow when shot at. Once you've hit her enough she'll explode. Be aware that while she's alive, even if you destroy all of the hills/nests she'll continue to spawn ants, spiders and wasps. When she's dead you'll have to mop up those enemies to progress in the Mission.
See the glowing weakspot above her head:
See the glowing weak spot on her side:
The, Pants, Party
The Ant Queen is found in Chapter 3, Mission 4. She stays inside the nest, but her weak spot is a small diagonal stripe on her ass, so you'll need to move from side to side to keep her head pointing on an angle so you have an open shot at it. This is a good spot to farm ant and wasp kills if you need them, just avoid killing her.